arXiv · 2004.13895
Radiation Campaign of HPK Prototype LGAD sensors for the High-Granularity Timing Detector (HGTD)
Abstract
We report on the results of a radiation campaign with neutrons and protons of Low Gain Avalanche Detectors (LGAD) produced by Hamamatsu (HPK) as prototypes for the High-Granularity Timing Detector (HGTD) in ATLAS. Sensors with an active thickness of 50~$\mu$m were irradiated in steps of roughly 2$\times$ up to a fluence of $3\times10^{15}~\mathrm{n_{eq}cm^{-2}}$. As a function of the fluence, the collected charge and time resolution of the irradiated sensors will be reported for operation at $-30^{\circ}$.
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X. Shi, M. K. Ayoub, J. Barreiro Guimarães da Costa, H. Cui, R. Kiuchi, Y. Fan, S. Han, Y. Huang, M. Jing, Z. Liang, B. Liu, J. Liu, F. Lyu, B. Qi, K. Ran, L. Shan, L. Shi, Y. Tan, K. Wu, S. Xiao, T. Yang, Y. Yang, C. Yu, M. Zhao, X. Zhuang, L. Castillo García, E. L. Gkougkousis, C. Grieco, S. Grinstein, M. Leite, G. T. Saito, A. Howard, V. Cindro, G. Kramberger, I. Mandić, M. Mikuž, G. d'Amen, G. Giacomini, E. Rossi, A. Tricoli, H. Chen, J. Ge, C. Li, H. Liang, X. Yang, L. Zhao, Z. Zhao, X. Zheng, N. Atanov, Y. Davydov, J. Grosse-Knetter, J. Lange, A. Quadt, M. Schwickardi, S. Alderweireldt, A. S. C. Ferreira, S. Guindon, E. Kuwertz, C. Rizzi, S. Christie, Z. Galloway, C. Gee, Y. Jin, C. Labitan, M. Lockerby, S. M. Mazza, F. Martinez-Mckinney, R. Padilla, H. Ren, H. F. -W. Sadrozinski, B. Schumm, A. Seiden, M. Wilder, W. Wyatt, Y. Zhao, D. Han, X. Zhang. 2020-04-29. Radiation Campaign of HPK Prototype LGAD sensors for the High-Granularity Timing Detector (HGTD). https://doi.org/10.1016/j.nima.2020.164382
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